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| Criterion |  Operations Time Blocking |  UX Research User Interviews |  Operations ALPEN Method |  Product Discovery Opportunity Interview |
|---|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 15-30 min Planung, laufend | 30–60 min per interview | 10-20 min daily | 30-60 min je Interview |
Participantsdifferent | 1 | 1 participant per interview | 1 | 5-12 Interviews |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Interview Notes, Themes, Insight Summary | Daily Plan, Time Estimates, Review Notes | Interview Notes, Opportunity Themes, Customer Quotes |
Tagsno overlap | PlanningTime managementFocus | QualitativeResearchCustomerDiscovery | PlanningTime managementProductivityOperations | DiscoveryInterviewsOpportunityCustomer |